Description: M48 : Both directions : J1 (Avonmouth) Aust to J2 (Chepstow) Newhouse : Bridge closed : Due to high winds :, Start time: 12/03/2026 21:26 , Expected end time: 13/03/2026 9:26, Severity: Severe, Source: Welsh Government, Last updated: 12/03/2026 21:26
Nearest town: 16.58 miles from Upper Cwmbran.

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Road Management.
Lanes Closed : All lanes are closed.
Nearest town: 16.82 miles from Upper Cwmbran.

Location: westbound entry slip at junction J1 (Avonmouth) .
Due to: Road Management.
Lanes Closed : All lanes are closed.
Nearest town: 17.59 miles from Upper Cwmbran.

Location: westbound between junctions J1 (Avonmouth) and J2 (Chepstow) .
Due to: Road Management.
Lanes Closed : All lanes are closed.
Nearest town: 17.78 miles from Upper Cwmbran.

Description: M4 : Now clear : Eastbound : J29 (Cardiff) Castleton to J26 (Newport) Malpas, Start time: 12/03/2026 19:13 , Expected end time: 12/03/2026 19:18, Severity: Moderate, Source: Welsh Government, Last updated: 12/03/2026 19:13
Nearest town: 4.04 miles from Upper Cwmbran.

Description: A4232 : Now clear : Northbound : A48 Interchange to M4 J33 Capel Llanilltern, Start time: 12/03/2026 18:38 , Expected end time: 12/03/2026 18:43, Severity: Moderate, Source: Welsh Government, Last updated: 12/03/2026 18:38
Nearest town: 14.91 miles from Upper Cwmbran.

Description: M4 : Westbound : Prince of Wales Bridge to J23A (Magor) Magor : Congestion : Delays possible :, Start time: 12/03/2026 16:28 , Expected end time: 12/03/2026 20:28, Severity: Moderate, Source: Welsh Government, Last updated: 12/03/2026 16:28
Nearest town: 10.02 miles from Upper Cwmbran.

Description: A4232 : Northbound : A48 Interchange to M4 J33 Capel Llanilltern : Congestion : Delays possible :, Start time: 12/03/2026 15:46 , Expected end time: 12/03/2026 18:46, Severity: Moderate, Source: Welsh Government, Last updated: 12/03/2026 15:46
Nearest town: 14.91 miles from Upper Cwmbran.

Description: M4 : Eastbound : J29 (Cardiff) Castleton to J26 (Newport) Malpas : Congestion : Delays possible :, Start time: 12/03/2026 16:38 , Expected end time: 12/03/2026 19:19, Severity: Moderate, Source: Welsh Government, Last updated: 12/03/2026 16:38
Nearest town: 4.04 miles from Upper Cwmbran.

Description: M4 : Westbound : J32 (Cardiff) Coryton : Congestion : offslip : Delays possible :, Start time: 12/03/2026 16:27 , Expected end time: 12/03/2026 19:27, Severity: Moderate, Source: Welsh Government, Last updated: 12/03/2026 16:27
Nearest town: 11.86 miles from Upper Cwmbran.

Description: M4 : Eastbound : J32 (Cardiff) Coryton : offslip : Congestion : Delays possible :, Start time: 12/03/2026 16:15 , Expected end time: 12/03/2026 19:15, Severity: Moderate, Source: Welsh Government, Last updated: 12/03/2026 16:15
Nearest town: 11.86 miles from Upper Cwmbran.

Description: M4 : Eastbound : J28 (Newport) Tredegar Park to J26 (Newport) Malpas : Congestion : Delays possible :, Start time: 12/03/2026 16:20 , Expected end time: 12/03/2026 19:19, Severity: Moderate, Source: Welsh Government, Last updated: 12/03/2026 16:20
Nearest town: 3.17 miles from Upper Cwmbran.

Description: A470 : Southbound : Taffs Well to Coryton Interchange : Congestion : Delays possible :, Start time: 12/03/2026 16:05 , Expected end time: 12/03/2026 19:05, Severity: Moderate, Source: Welsh Government, Last updated: 12/03/2026 16:05
Nearest town: 11.92 miles from Upper Cwmbran.

Description: A470 : Northbound : Nantgarw : Congestion : offslip : Delays possible :, Start time: 12/03/2026 16:09 , Expected end time: 12/03/2026 19:09, Severity: Moderate, Source: Welsh Government, Last updated: 12/03/2026 16:09
Nearest town: 11.46 miles from Upper Cwmbran.

Description: A470 : Northbound : Coryton to Nantgarw : Congestion : Delays possible :, Start time: 12/03/2026 15:50 , Expected end time: 12/03/2026 18:50, Severity: Moderate, Source: Welsh Government, Last updated: 12/03/2026 15:50
Nearest town: 11.79 miles from Upper Cwmbran.

Location: westbound between junctions J21 (Chepstow) and J22 (Avonmouth) .
Due to: Congestion.
Normal traffic conditions are expected between 20:45 and 21:00 on 12 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.81 miles from Upper Cwmbran.

Location: northbound exit slip at junction J18A (South Wales) .
Due to: Congestion.
Normal traffic conditions are expected between 19:00 and 19:15 on 12 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.67 miles from Upper Cwmbran.

Location: westbound entry slip at junction J22 (Avonmouth) .
Due to: Congestion.
Normal traffic conditions are expected between 18:45 and 19:00 on 12 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 16.25 miles from Upper Cwmbran.

Location: northbound exit slip at junction J18A (South Wales) .
Due to: Congestion.
Normal traffic conditions are expected between 18:15 and 18:30 on 12 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.67 miles from Upper Cwmbran.

Location: northbound exit slip at junction J18A (South Wales) .
Due to: Congestion.
Normal traffic conditions are expected between 18:00 and 18:15 on 12 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.67 miles from Upper Cwmbran.

Location: northbound between junctions J18A (South Wales) and J17 (Bristol West) .
Due to: Congestion.
Normal traffic conditions are expected between 17:30 and 17:45 on 12 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.45 miles from Upper Cwmbran.

Location: northbound between junctions J17 (Bristol West) and J16 (Thornbury) .
Due to: Congestion.
Normal traffic conditions are expected between 19:00 and 19:15 on 12 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.13 miles from Upper Cwmbran.

Location: northbound exit slip at junction J18A (South Wales) .
Due to: Congestion.
Normal traffic conditions are expected between 17:15 and 17:30 on 12 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.67 miles from Upper Cwmbran.

Location: northbound between the junctions with the M5 and the M4 .
Due to: Congestion.
Normal traffic conditions are expected between 21:00 and 21:15 on 12 March 2026.
Cause : Road Management.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 16.93 miles from Upper Cwmbran.

Description: A470 : Southbound : Abercynon to Coryton : Poor driving conditions :, Start time: 12/03/2026 21:15 , Expected end time: 13/03/2026 1:14, Severity: Slight, Source: Welsh Government, Last updated: 12/03/2026 21:15
Nearest town: 12.74 miles from Upper Cwmbran.

Description: M4 : Eastbound : J26 (Newport) Malpas to J25A (Newport) Grove Park : Flooding : Lane closed :, Start time: 12/03/2026 21:16 , Expected end time: 12/03/2026 21:35, Severity: Slight, Source: Welsh Government, Last updated: 12/03/2026 21:16
Nearest town: 2.34 miles from Upper Cwmbran.

Location: northbound entry slip at junction J18 (Bristol) .
Due to: Roadworks.
Period : from 20:49 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.73 miles from Upper Cwmbran.

Location: southbound entry slip at junction J18 (Bristol) .
Due to: Roadworks.
Period : from 20:47 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.67 miles from Upper Cwmbran.

Location: The junction of the M5 J18 (Bristol) and the A4 .
Due to: Horticultural works.
Period : expect disruption until 06:00 on 13 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.95 miles from Upper Cwmbran.

Location: eastbound.
Lane Closures : Lane one is closed.
Due to: Horticultural works.
Period : expect disruption until 06:00 on 13 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 16.83 miles from Upper Cwmbran.

Location: westbound at junction J1 (Avonmouth) .
Due to: Emergency roadworks.
Period : expect disruption until 06:00 on 13 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.87 miles from Upper Cwmbran.

Location: westbound between the M4 and junction J1 (Avonmouth) .
Lane Closures : Lane two is closed.
Due to: Emergency roadworks.
Period : expect disruption until 06:00 on 13 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.16 miles from Upper Cwmbran.

Location: westbound entry slip at junction J22 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:59 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.36 miles from Upper Cwmbran.

Location: westbound between junctions J21 (Chepstow) and J22 (Avonmouth) .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 21:00 on 12 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.81 miles from Upper Cwmbran.

Location: northbound between the junctions with the M5 and the M4 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.51 miles from Upper Cwmbran.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 23:00 on 12 March 2026 to 06:00 on 21 March 2026.
Nearest town: 15.76 miles from Upper Cwmbran.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 17:00 on 13 March 2026.
Nearest town: 16.23 miles from Upper Cwmbran.

Location: northbound between the junctions with the M5 and the M4 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.55 miles from Upper Cwmbran.

Location: eastbound exit slip at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 05:00 on 19 March 2026.
Schedule : From 21:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.14 miles from Upper Cwmbran.

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 20 March 2026.
Nearest town: 12.65 miles from Upper Cwmbran.

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 05:00 on 19 March 2026.
Schedule : From 21:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.65 miles from Upper Cwmbran.

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 March 2026 to 05:00 on 19 March 2026.
Schedule : From 20:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.44 miles from Upper Cwmbran.

Location: westbound at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 17 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.58 miles from Upper Cwmbran.

Location: eastbound exit slip at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.14 miles from Upper Cwmbran.

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 18 March 2026.
Nearest town: 12.65 miles from Upper Cwmbran.

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.65 miles from Upper Cwmbran.

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.44 miles from Upper Cwmbran.

Location: northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 March 2026 to 21 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.04 miles from Upper Cwmbran.

Location: westbound at junction J1 (Avonmouth) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 13 March 2026 to 15 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.69 miles from Upper Cwmbran.

Location: eastbound exit slip at junction J1 (Avonmouth) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 13 March 2026 to 15 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.5 miles from Upper Cwmbran.

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 13 March 2026 to 15 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.44 miles from Upper Cwmbran.

Location: southbound entry slip at junction J18 (Bristol) .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.74 miles from Upper Cwmbran.

Location: The junction of the M5 J18 (Bristol) and the M49 .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.81 miles from Upper Cwmbran.

Location: southbound exit slip at junction J18 (Bristol) .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.84 miles from Upper Cwmbran.

Location: northbound entry slip at junction J19 (Portishead) .
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 13 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.22 miles from Upper Cwmbran.

Location: northbound entry slip at junction J18 (Bristol) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 09:00 on 13 March 2026 to 15:00 on 13 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.42 miles from Upper Cwmbran.

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:30 on 20 March 2026 to 08:00 on 21 March 2026.
Schedule : From 19:30 on 21 March 2026 to 09:00 on 22 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 17.37 miles from Upper Cwmbran.

Location: northbound at junction J19 (Portishead) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:30 on 20 March 2026 to 08:00 on 21 March 2026.
Schedule : From 19:30 on 21 March 2026 to 09:00 on 22 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.17 miles from Upper Cwmbran.

Location: westbound entry slip at junction J22 (Avonmouth) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 11 March 2026 to 06:00 on 12 March 2026.
Schedule : From 21:00 on 13 March 2026 to 06:00 on 14 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.36 miles from Upper Cwmbran.

Location: westbound at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 13 March 2026 to 06:00 on 14 March 2026.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.58 miles from Upper Cwmbran.

Location: northbound between the junctions with the M5 and the M4 .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 13 March 2026 to 06:00 on 14 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.51 miles from Upper Cwmbran.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 12 March 2026 to 06:00 on 13 March 2026.
Schedule : From 20:00 on 13 March 2026 to 06:00 on 14 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 March 2026 to 21 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.83 miles from Upper Cwmbran.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 12 March 2026 to 06:00 on 13 March 2026.
Schedule : From 20:00 on 13 March 2026 to 06:00 on 14 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 March 2026 to 21 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.76 miles from Upper Cwmbran.

Location: southbound entry slip at junction J19 (Portishead) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 08:00 on 13 March 2026 to 17:00 on 13 March 2026.
Schedule : Expect disruption everyday between 08:00 and 17:00 from 16 March 2026 to 17 March 2026.
Nearest town: 17.23 miles from Upper Cwmbran.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 08:00 on 13 March 2026 to 17:00 on 13 March 2026.
Schedule : Expect disruption everyday between 08:00 and 17:00 from 16 March 2026 to 17 March 2026.
Nearest town: 16.88 miles from Upper Cwmbran.

Location: northbound between junctions J18A (South Wales) and J17 (Bristol West) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 08:00 on 13 March 2026 to 17:00 on 13 March 2026.
Schedule : Expect disruption everyday between 08:00 and 17:00 from 16 March 2026 to 20 March 2026.
Nearest town: 17.87 miles from Upper Cwmbran.

Location: northbound between junctions J18A (South Wales) and J17 (Bristol West) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 08:00 on 13 March 2026 to 17:00 on 13 March 2026.
Schedule : Expect disruption everyday between 08:00 and 17:00 from 16 March 2026 to 20 March 2026.
Nearest town: 18.14 miles from Upper Cwmbran.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 08:00 on 13 March 2026 to 17:00 on 13 March 2026.
Schedule : Expect disruption everyday between 08:00 and 17:00 from 16 March 2026 to 20 March 2026.
Nearest town: 16.18 miles from Upper Cwmbran.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 16.31 miles from Upper Cwmbran.

Location: southbound at junction J18 (Bristol) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.66 miles from Upper Cwmbran.

Location: southbound between junctions J18 (Bristol) and J19 (Portishead) .
Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 March 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 17.55 miles from Upper Cwmbran.

Location: northbound at junction J19 (Portishead) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.37 miles from Upper Cwmbran.

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 March 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 17.17 miles from Upper Cwmbran.

Location: northbound at junction J20 (Nailsea) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Emergency Roadside Drains works.
Period : expect disruption until 04:00 on 13 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 15.96 miles from Upper Cwmbran.
